£68 Find Cheap Flights from Istanbul to Sofia – Compare and Save

The cheapest month for flights from Istanbul Airport to Sofia is December, where tickets cost £81 (return) on average. On the other hand, the most expensive months are November and September, where the average cost of round-trip tickets is £156 and £143 respectively.

To get a below average price on the flight from Istanbul Airport to Sofia, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Weekly flights between Istanbul and Sofia historically see delays in approximately 13% of cases, with the average delay over the past year being 85 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Friday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, Turkish Airlines have experienced the fewest delays on this route in the past 12 months, with only about 13% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 direct flights that take off from Istanbul Airport and land in Sofia, with an average flight time of 1h 17m. The most common departure time is 18:00 and most flights take off in the morning. Each week, there are 23 flights. The most frequent day of departure is Friday, when 17% of all weekly flights depart. The fewest flights depart on a Monday.